LH08540783
GREEN MATTERS: WHAT IN THE WORLD IS GOING ON? GLOBAL WARMING
A critical concern for the planet today is global warming and its probable consequences. And whether warming trends are occurring because of greenhouse gases in the atmosphere or a cyclical change in the weather, we'll investigate this global issue from the polar Arctic to the polar Antarctic.
DVD (Closed Captioned)
Intermediate or above
23 minutes
2008
Requirement
:
Qty :
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100